G10C 3/30
Couplers
Official title: Couplers, e.g. for playing octaves
G10C3/30 (Couplers) appears on 2 US grants and 1 published applications in this corpus.
Search patents in G10C- Granted patents
- 2
- Published applications
- 1
- Assignees
- 2
- Inventors
- 2
- Latest grant
- 11 Apr 2023
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| 2007 | 0 | 0 |
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| 2023 | 1 | 0 |
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